using System;

public static partial class Extensions
    {
        /// <summary>
        ///     Searches for the specified object and returns the index of the last occurrence within the entire one-
        ///     dimensional .
        /// </summary>
        /// <param name="array">The one-dimensional  to search.</param>
        /// <param name="value">The object to locate in .</param>
        /// <returns>
        ///     The index of the last occurrence of  within the entire , if found; otherwise, the lower bound of the array
        ///     minus 1.
        /// </returns>
        public static Int32 LastIndexOf(this Array array, System.Object value)
        {
            return Array.LastIndexOf(array, value);
        }

        /// <summary>
        ///     Searches for the specified object and returns the index of the last occurrence within the range of elements
        ///     in the one-dimensional  that extends from the first element to the specified index.
        /// </summary>
        /// <param name="array">The one-dimensional  to search.</param>
        /// <param name="value">The object to locate in .</param>
        /// <param name="startIndex">The starting index of the backward search.</param>
        /// <returns>
        ///     The index of the last occurrence of  within the range of elements in  that extends from the first element to ,
        ///     if found; otherwise, the lower bound of the array minus 1.
        /// </returns>
        public static Int32 LastIndexOf(this Array array, System.Object value, Int32 startIndex)
        {
            return Array.LastIndexOf(array, value, startIndex);
        }

        /// <summary>
        ///     Searches for the specified object and returns the index of the last occurrence within the range of elements
        ///     in the one-dimensional  that contains the specified number of elements and ends at the specified index.
        /// </summary>
        /// <param name="array">The one-dimensional  to search.</param>
        /// <param name="value">The object to locate in .</param>
        /// <param name="startIndex">The starting index of the backward search.</param>
        /// <param name="count">The number of elements in the section to search.</param>
        /// <returns>
        ///     The index of the last occurrence of  within the range of elements in  that contains the number of elements
        ///     specified in  and ends at , if found; otherwise, the lower bound of the array minus 1.
        /// </returns>
        public static Int32 LastIndexOf(this Array array, System.Object value, Int32 startIndex, Int32 count)
        {
            return Array.LastIndexOf(array, value, startIndex, count);
        }
    }
